附加水流 的英文怎麼說
中文拼音 [bùjiāshuǐliú]
附加水流
英文
additional stream- 附 : Ⅰ動詞1 (附帶) attach; add; enclose 2 (靠近) get close to; be near 3 (依從; 依附) agree to; ...
- 水 : 名詞1 (由兩個氫原子和一個氧原子結合而成的液體) water 2 (河流) river 3 (指江、河、湖、海、洋...
- 流 : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
- 附加 : 1 (額外加上) add; attach 2 (附帶的; 額外的) additional; additive; attached; appended; append;...
- 水流 : 1. (江河) rivers; streams; waters2. (流動的水) current; water flow; fluent; flow; [水文] stream current
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The additional flow is formed by the device of dentoid baffle, and the application of the device of dentoid baffle cooperated with a stilling basin has been investigated by systematic model tests. based on the research results, the hydraulic problems such as the characteristics of hydrodynamic pressure and cavitation on the head of the denotid baffle, the properties of flow under the condition that the device of denotid baffle is used with a stilling basin, the hydraulic computation about a stilling basin, the estimation of energy dissipation and its various affection factors, the mechanism and effect of energy dissipation, and distributions of velocity and pressure and aerating concentration, etc, have been analyzed ; the method and step of hydraulic design of device of denotid baffle by which the additional flow is produced has also been proposed
文中利用齒墩設施實現附加射流,對齒墩設施與消力池聯合應用進行了大量的和系統的模型試驗,分析研究了中低佛勞德數條件下,齒墩墩頭的動水壓強及空化特性,齒墩設施與消力池聯合應用時的流態特性,消力池的水力計算,消能量的估算及其各種影響因素,消能機理和效果,消力池內的流速、壓強特性,摻氣濃度分佈等水力學問題,並提出了實現附加射流齒墩設施的水力設計方法和步驟。Using the model experiment data, the authors calculate the decreased percentage of water jump length, unit width hydraulic jump volume and the water depth downstream of the jump ; and also calculate the energy dissipation rate of dentoid baffle, it is concluded that the device of dentoid baffle can increase the energy dissipation rate of hydraulic jump theory and decrease the engineering cost
計算了新增齒墩設施的消能量,同時計算了新增齒墩設施的躍后水深、水躍長度和單寬水躍容積減少的百分數。結果表明,採用齒墩設施,可增進消能作用,並取得顯著的經濟效益,達到附加射流水躍理論所預期的效果。The water current flows over the top of the dentoid baffle to the hydraulic jump as additional momentum. while it is cooperated with a stilling basin, the flowing condition emerged in the basin may be improved greatly and the length and downstream water depth required by the basin can be decreased to a great extent. such an appliance may be also used to solve the problems of insufficiently dissipating water flow energy and aerating flow, which are often faced with those hydraulic engineering constraction as acted by high waterhead, great specific discharge and low froude number
本文通過齒墩頂部的擴散水舌所形成的附加射流,從上部射入水躍,即可改善消力池內的水流流態,又可降低第二共軛水深,減小水躍長度,增進水躍消能效果,同時還能解決大單寬、低佛勞德數條件下摻氣和消能不足的問題,試驗證實它是一種安全、經濟的消能工。This condition commonly occurs in the early days after delivery, when the milk that starts to come in is not removed efficiently. the breasts are overfull, partly with milk, & partly with increased tissue fluid & blood, which interfere with the flow of milk
這種情形通常在產后初期出現,原因是「上奶」時乳汁未能有效地被吸取。乳房因充血和水腫,加上乳汁引起脹滿,影響乳汁的流通;母親可能會發燒,乳房感覺痛楚、堅硬和腫脹,令嬰兒難于附著和吸吮。Based on the epwp and wpwp in conjunction with abnormal north and west wind, a new possible iii mechanism is provided for the evolution of the 1997 / 1998 el nino. to be specific, the warm kelvin wave propagating to east excited by the abnormal west wind can suppress the cold upwelling flow in the eastern pacific, which, in turn, is favorable to the eastern pacific sst increase ; abnormal west wind can make the warm water of the wpwp east edge extend to east, which is conductive directly to eastern pacific sst increase ; the abnormal west wind propagating to east can make the sea surface warm water near two equatorial laterals converge to the equator by ekman drifting, which, in rum, strengthens the downwelling flow near the equator, leading to eastern pacific sst increase
將東、西太平洋暖池及異常北風、西風一併結合起來考慮,提出1997 1998elnino事件發生、發展的一種新的可能機制:異常西風激發東傳的暖kelvin波對東太平洋的冷上翻流有抑制作用,從而有利於東太平洋海表溫度增加;異常西風驅動西太平洋暖池東端暖水向東伸展直接有利於東太平洋海表溫度增加;東傳的異常西風可以通過埃克曼漂流效應將赤道兩側的海表暖水向赤道輻合從而加強了赤道附近的下沉流,也有利於東太平洋赤道附近海表溫度增加。In this paper, some characteristics of flow movement and sediment transport are analyzed by using the flume experiment data. the cross section of compound channel can be divided into four regions : the undisturbed region in main channel, the interactive region between channel and plain, the undisturbed region in flood plain and the boundary region. in the undisturbed regions, the distribution of longitudinal velocity along the depth has the feature of lograithmic. whereas, in the interactive region, the longitudinal velocity does not obey the logarithmic distribution law, but it can expressed as a revised logarithmic function by using a wake function. on the basis of the kinematic equation the velocity distribution of transverse velocity is obtained. in the boundary region, the longitudinal velocity obeys the law of parabolic distribution. furthermore, according to the simplified diffusion equation, the transverse distribution of sediment concentration in the interactive region is deduced. the analysis is in good agreement with the measured data
本文根據漫灘水流的運動特點,將漫灘水流的復式斷面分為主槽平衡區、灘槽交互區、灘地平衡區及邊壁區等4個區,並給出了各區寬度的經驗公式.根據灘槽交互區垂線流速分佈的變化特點,提出了附加尾流函數的對數流速分佈公式.在簡化水流運動方程和泥沙擴散方程的基礎上,對灘槽交互區內垂線平均流速及含沙量沿橫向分佈進行了理論分析,提出了反映灘槽水流動量交換強度的橫向渦量粘性系數及橫向擴散系數的表達式,得到了漫灘水流垂線平均流速及含沙量沿橫向分佈的解析解,並與實測資料吻合較好The economic benefits of new additional energy dissipation facilities are estimated in terms of the decreased percentage of the sequent depth of hydraulic jump and length of jump, or the capacity of hydraulic jump under the unit width. the additional flow hydraulic jump theory has been demonstrated by model tests
文中用新增齒墩設施的躍后水深、水躍長度和單寬水躍容積減少的百分數,估計新增設施的經濟效益,並通過模型試驗驗證了附加射流水躍消能的理論分析。The additional resistance caused by sediment transport of bed - load and suspended load is derived from mean energy equation of sediment - laden flow, and the variation of resistance in sediment - laden flow is discussed
從挾沙水流的平均能量方程出發,得到了推移質附加阻力的計算公式及懸移質附加阻力計算公式,並對挾沙水流的阻力進行了討論。Almost meanwhile, the north wind anomaly brings epwp warm water to equatorial vicinity by producing north ocean flow, which causes directly nino3 sst increase
幾乎與此同時,北風距平通過產生北風吹流將東太平洋暖池暖水由北向南輸送至赤道附近直接導致nino3區海表溫度增加。As compared with the conventional straight well, the horizontal well can greatly increase the contact area between well and reservoir, change the filtrational mode in the vicinity of wellbore in the reservoir and reduce filtrational resistance, thus obtaining higher oil and gas production by a relatively low producing pressure difference
摘要同常規的垂直井相對比,採用水平井開采能夠大幅度增加油氣井與油氣藏的接觸面積,改變油氣藏中井筒附近區域的滲流方式,降低滲流阻力,進而可以利用較低的生產壓差來實現更高的油氣產量。For the strategic goals as mentioned above the author proposed a development strategy of 6 points i. e. : 1. exploit the specialty of zhugang ' s hot rolling tandem mill fully to produce marketable hot rolled coils with high added value ; 2. develop ultra thin product varieties to " replace cold rolled products by hot rolled one " and create new market for these hot rolled coils ; 3
為實現上述戰略目標,作者提出了珠鋼6項發展戰略:武漢理工大學碩士學位論文1 .充分發揮珠鋼熱連軋的專長,多生產銷售對路、附加值高的熱軋鑰卷: 2 .開發「以熱代冷」的超薄板品種,開拓熱軋鋼卷的新市場; 3 .建設具有「大酸洗、小冷軋」為特徵的冷軋鋼工程; 4 .為填補廣東省鋼材品種的空白,珠鋼冷軋生產應以多品種為己任; 5 .實施「一次總體規劃,分步建設實施」的滾動發展模式; 6 .提高企業物流管理水平,實現一體化的企業物流管理。The research result of the paper indicates that utilizing manual soil dealing with rainwater can reach better depurating effect by reasonable designing and controling. in practical project, especially in the condition of soil with badly penetrating ability and lower groundwater level, can adopt about one meter deepness manual soil laying on the greenbelt and can also design special manual soil depurating equipment around building to dealing with rainwater, which not only assures depurating effect but also saves occupying area and improves environment
本論文的研究結果表明,經合理設計控制,利用人工加人細砂的土層處理雨水徑流,可達到較好的處理效果,實際工程中,尤其是在土壤滲透性很差,地下水位較高等情況下,可以在綠地表層採用lm左右的人工土壤層, 『也可在建築物附近設計專門的人工土壤凈化裝置來處理雨水徑流,既可保證處理效果,又可節省佔地和改善環境。Then the general plan of underwater vibrators is put forward. in chapter 3, combining fluid - solid coupling theory and mechanical vibration theory, we get the coupling equation of moving parts and water. the dynamic characteristics of moving parts are studied with theory of finite element, and additional mass of moving parts is found in fluid - solid coupling field, which makes vibrator ' s natural frequency descend and amplitude - frequency curve downward shift
第三章運用流固耦合理論和機械振動學理論相結合的方法建立運動部件與水的耦合運動方程,利用有限元法對其的動態特性進行了研究,得到了在流固耦合場下運動部件存在的附加質量,該附加質量導致固有頻率下降,單位推力下的加速度頻響曲線整體下移。Result of study indicates that the momentum input along with the branch flow toward the downstream and the additional friction induced by the mixing of main streams with branch flows should be considered for rational analysis of the local energy loss at junctions
研究結果表明,正確分析管道匯流口水流的局部能量損失機理,必須考慮匯入斷面上支流沿下游主流方向的動量輸入和主支流間相互摻混引起的附加摩擦阻力的影響。Through analysis, we conclude that washing action of wave and flow is main power of evolvement of region of interest landform, structure lead to the fact that water area around shallow structure in cheng dao sea field has an increase about 0. 3m / a through actual measurement, water depth increase rate around foundation is 0. 25m / a, slope gradient of side slope averagely has a decrease of 5 % o a year, however marine hydropower wash rate through compute is 0. 2m / a on underwater bottom, the wash rate on structure foundation is 0. 35m / a
分析認為,浪流的沖刷作用是研究區水深地形演化的主要動力,構築物的存在,使埕島海域淺水區人工構築物周邊水域實測年水深增加幅度約0 . 3m a ,地基附近水深增加速率0 . 25m a ,邊坡坡度平均每年以5減緩,而計算得出的海洋水動力沖蝕速率在水下底坡為0 . 2m a ,在構築物地基沖蝕速率達0 . 35m a 。Low - level cyclone circulation with high - level anticyclone circulation, is helpful to form low - level convergence and high - level divergence, and make the rising airflow nearby cyclone keep and strengthen so that have offered necessity condition for convection precipitation
低層的氣旋性環流和高層的反氣旋性環流相配合,有利於形成低層輻合,高層輻散,使得氣旋附近的上升氣流得以維持和加強,從而為對流性降水提供了必要條件。Results show that there are two main spatial patterns of the wp ssta : one is uniform in the whole area, the other is of the north - south asymmetry. when the spatial pattern is uniform in the whole area, in the warm years, there is a anticyclone circulation existing over the warm pool and westerly in the subtropical region and easterly in the tropical region have been greatly strengthened at 850hpa, while a anticyclone circulation over the india region at 200hpa, the walker circulation has been strengthened, the summer rainfall may be above normal in the upper and middle reaches of the yangtze river, vice versa
當ssta為一致性分佈時,暖異常年, 850hpa暖池區上空為一反氣旋偏差環流,副熱帶地區西風和低緯度地區東風得到加強,長江中上游地區盛行偏南風氣流; 200hpa南亞上空為一反氣旋偏差環流,長江中上游地區為北風; walker環流加強,副熱帶高壓偏強,經向垂直環流在25 35 n附近為上升氣流,長江中上游地區降水偏多,是lanina事件的多發年,對應的soi指數偏高,冷異常年則相反。Aiming at the underwater vehicle in fluid because of problem that fluid and solid coupling produced added mass, in using advanced hydrodynamics to proceed to the added mass the foundation that described, and using modal parameter design theories, the paper put forward according to modal parameter test data identified the method that added mass of the underwater vehicle
摘要針對水下航行器在流體中由於流固耦合所產生的附加質量問題,在用高等流體力學對附加質量進行描述的基礎上,利用模態參數識別理論,提出了根據實測模態參數來識別水下航行器附加質量的方法。A numerical method, based on single temperature sensor, constant heat flux assumed and arbitrary number future time steps, was employed to determine the heat flux during rapid cooling on high temperature surface with multiply immersed impinging water jets the finite volume discretization method and treatment of boundary condition were presented
摘要基於單點測溫、常熱流假設,任意未來時間步長的導熱反問題演算法求解浸沒水射流冷卻過程的熱流密度;採用有限容積法離散方程,附加源項法處理邊界條件。This surfing santa is braving the freezing cold waters near niagara falls
這個正在沖浪的聖誕老人勇敢地面對尼亞加拉瀑布附近寒冷刺骨的水流。分享友人